Ohms Law Calc. vs WireHint

Ohm's Law Calc. consists of 60 Electrical Calculators with Formulas and Circuits and 16 Electrical Converters. • Voltage Calculator • Current Calculator • Resistance Calculator • Power Calculator • Voltage Drop Calculator • Wire Size Calculator • DC Generator Calculator • Transformer Calculations (Voltage & Current) Impedance Calculators Calculate impedance for combinations of resistors (R), inductors (L), and capacitors (C) in both series and parallel configurations: • R and L in Series / Parallel • R and C in Series / Parallel • L and C in Series / Parallel • R, L and C in Series / Parallel Power and Current Conversions • kVA to Amps (Single Phase & Three Phase) • Amps to kVA (Single Phase & Three Phase) • Single Phase & Three Phase Power Calculators • Horsepower Calculators (DC, Single Phase, Three Phase) Efficiency and Power Factor Tools • Efficiency Calculators (DC, Single Phase, Three Phase) • Power Factor Calculators (Single Phase & Three Phase) Energy Storage Calculators • Energy Cost Calculator • Energy Storage Calculators (Resistance, Inductance, Capacitance) Circuit Design Tools • Star-to-Delta and Delta-to-Star Conversions • Inductive & Capacitive Reactance Calculators • Resonant Frequency Calculator • Inductor and Capacitor Sizing Equations Component Calculations • Series and Parallel Calculators for Resistance, Inductance, and Capacitance • Unknown Resistance and Capacitance Calculators (Series & Parallel) More Calculations • Neutral Current (3-Phase Unbalanced Loads) • Characteristic Impedance (Parallel & Coaxial) • Transformer Calculator • Voltage Divider Calculator Illumination Calculators • Luminous Intensity Calculator • Luminous Flux Calculator • Solid Angle Calculator Electrical Converters • Field Strength Converter • Electrical Potential Converter • Resistance and Resistivity Converters • Conductance and Conductivity Converters • Capacitance and Inductance Converters • Charge Converters: Handles conversions for electrical charge, including: • Linear Charge Density • Surface Charge Density • Volume Charge Density • Linear Current Density • Surface Current Density • Power Converter App works with both iPhones, iPads and Mac Multiple Unit Compatibility: Supports a wide range of units for all electrical parameters, including Ohms, kiloOhms, Farads, Henrys, kVA, Volts, Weber, and more.

WireHint is a fast, offline calculator toolkit built for electricians, apprentices, and anyone who works with wiring, panels, and circuits. No account, no ads, no internet required - just accurate math and code references in your pocket. DAILY TOOLS (free) • Ohm's Law • Voltage Drop • Wire Gauge (AWG ↔ mm²) • Power Calculator • Unit Converter • Decimal ↔ Fraction • Transformer • Battery Runtime • LED Load • Lighting Layout CODE & TABLES (Pro) • Ampacity Lookup • Conduit Fill • Box Fill • Motor FLC • Conduit Bending • Breaker Sizing • Dwelling Load (NEC Art. 220) • Grounding Sizing • Tap Rules (NEC 240.21) • EV Charger Circuit REFERENCE (Pro) • Wire Color Code Reference • NEC Quick Reference WHY WIREHINT • Built for the field - clean, fast, no clutter or sign-in walls • Works completely offline, on the job site or in the basement • Favorites and saved results so your go-to calculators and past jobs are one tap away • Optional AI Insight button gives plain-language explanations of a result, powered by on-device Apple Intelligence where available • One-time Pro unlock - no subscription Unlock every Code & Tables and Reference calculator with a single one-time purchase. Daily Tools are free forever. WireHint is a reference and estimation tool. Always verify final designs and installations against the current National Electrical Code and your local Authority Having Jurisdiction (AHJ).